63533223356166 has 48 divisors (see below), whose sum is σ = 137767959804384. Its totient is φ = 21160418614272.

The previous prime is 63533223356023. The next prime is 63533223356177. The reversal of 63533223356166 is 66165332233536.

63533223356166 is a `hidden beast` number, since 6 + 3 + 5 + 3 + 3 + 223 + 356 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107737830 + ... + 108325926.

It is an arithmetic number, because the mean of its divisors is an integer number (2870165829258).

Almost surely, 2^{63533223356166} is an apocalyptic number.

63533223356166 is an abundant number, since it is smaller than the sum of its proper divisors (74234736448218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63533223356166 is a wasteful number, since it uses less digits than its factorization.

63533223356166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593005 (or 593002 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 54.

The spelling of 63533223356166 in words is "sixty-three trillion, five hundred thirty-three billion, two hundred twenty-three million, three hundred fifty-six thousand, one hundred sixty-six".